446
WHUS73 KDTX 040733
MWWDTX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
333 AM EDT THU SEP 4 2025
LHZ361-362-041945-
/O.CON.KDTX.GL.A.0014.250905T0800Z-250906T0200Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
333 AM EDT THU SEP 4 2025
...GALE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
EVENING...
* WHAT...EXPECT SUSTAINED WINDS UP TO 30 KNOTS FROM THE
SOUTHWEST WITH GUSTS UP TO 40 KNOTS. THE LARGEST SIGNIFICANT
WAVES WILL BE 13 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF
19 FEET.
* WHERE...LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE
ISLE LT BEYOND 5 NM OFF SHORE AND LAKE HURON FROM PRESQUE ISLE
LIGHT TO STURGEON POINT MI BEYOND 5NM OFF SHORE.
* WHEN...THE MAXIMUM WINDS ARE EXPECTED AROUND 12 PM EDT FRIDAY
WITH THE LARGEST WAVES EXPECTED AROUND 2 PM EDT FRIDAY.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.
LHZ363-462>464-041945-
/O.CON.KDTX.GL.A.0014.250905T0800Z-250906T0200Z/
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
333 AM EDT THU SEP 4 2025
...GALE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
EVENING...
* WHAT...EXPECT SUSTAINED WINDS UP TO 30 KNOTS FROM THE
SOUTHWEST WITH GUSTS UP TO 40 KNOTS. THE LARGEST SIGNIFICANT
WAVES WILL BE 12 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF
17 FEET.
* WHERE...LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND
5NM OFF SHORE, LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH
BEYOND 5NM OFF SHORE, LAKE HURON FROM HARBOR BEACH TO PORT
SANILAC BEYOND 5NM OFF SHORE AND LAKE HURON FROM PORT SANILAC
TO PORT HURON BEYOND 5NM OFF SHORE.
* WHEN...THE MAXIMUM WINDS ARE EXPECTED AROUND 12 PM EDT FRIDAY
WITH THE LARGEST WAVES EXPECTED AROUND 3 PM EDT FRIDAY.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.
LHZ441>443-041945-
/O.CON.KDTX.GL.A.0014.250905T0800Z-250906T0200Z/
PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI-
PORT SANILAC TO PORT HURON MI-
333 AM EDT THU SEP 4 2025
...GALE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
EVENING...
* WHAT...EXPECT SUSTAINED WINDS UP TO 25 KNOTS FROM THE SOUTHWEST
WITH GUSTS UP TO 40 KNOTS. THE LARGEST SIGNIFICANT WAVES WILL
BE 6 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 8 FEET.
* WHERE...PORT AUSTIN TO HARBOR BEACH MI, HARBOR BEACH TO PORT
SANILAC MI AND PORT SANILAC TO PORT HURON MI.
* WHEN...THE MAXIMUM WINDS ARE EXPECTED AROUND 1 PM EDT FRIDAY
WITH THE LARGEST WAVES EXPECTED AROUND 3 PM EDT FRIDAY.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.
LHZ421-422-041945-
/O.CON.KDTX.GL.A.0014.250905T0800Z-250906T0200Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
333 AM EDT THU SEP 4 2025
...GALE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
EVENING...
* WHAT...EXPECT SUSTAINED WINDS UP TO 30 KNOTS FROM THE SOUTHWEST
WITH GUSTS UP TO 40 KNOTS. THE LARGEST SIGNIFICANT WAVES WILL
BE 7 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET.
* WHERE...OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO
INNER SAGINAW BAY AND INNER SAGINAW BAY SW OF POINT AU GRES TO
BAY PORT MI.
* WHEN...THE MAXIMUM WINDS ARE EXPECTED AROUND 12 PM EDT FRIDAY
WITH THE LARGEST WAVES EXPECTED AROUND 3 PM EDT FRIDAY.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.
KGK
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